Andy from "Family Ties"

Bonsall Mugshot, Photo from "Family Ties"

Colorado police say former cast member of the 1980's show "Family Ties" was arrested for assault after allegedly hitting a friend with part of a broken wooden stool. Brian Bonsall, 28, allegedly told officers he had been drinking and didn't remember what happened. Bonsall played the youngest child "Andy" on the show.

Colorado police say former cast member of the 1980's show "Family Ties" was arrested for assault after allegedly hitting a friend with part of a broken wooden stool. Brian Bonsall, 28, allegedly told officers he had been drinking and didn't remember what happened. Bonsall played the youngest child "Andy" on the show. (Bonsall Mugshot, Photo from "Family Ties")

Colorado police say former cast member of the 1980's show "Family Ties" was arrested for assault after allegedly hitting a friend with part of a broken wooden stool. Brian Bonsall, 28, allegedly told officers he had been drinking and didn't remember what happened. Bonsall played the youngest child "Andy" on the show.